Home / 728,610.40-1,092,915.60-413,682.40

Finding the Fourth Proportional to 728,610.40, 1,092,915.60 and 413,682.40

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Solution

The fourth proportional to 728,610.40, 1,092,915.60 and 413,682.40 is: 620,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,610.40 : 1,092,915.60 = 413,682.40 : x
  2. Step 2: Convert to fraction form
    728,610.40/1,092,915.60 = 413,682.40/x
  3. Step 3: Cross multiply
    728,610.40x = 1,092,915.60 × 413,682.40
  4. Step 4: Simplify right side
    728,610.40x = 452,119,948,405.44
  5. Step 5: Solve for x
    x = 452,119,948,405.44/728,610.40
  6. Step 6: Final answer
    x = 620,523.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.